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1. PROC IMPORT OUT=zeng
   
2. DATAFILE= 'C:\Documents and Settings\Administrator\×ÀÃæ\book2.xls'
   
3. DBMS=excel REPLACE;
   
4. RANGE='Sheet1$A2:BK16' ;
   
5. GETNAMES=YES;
   
6. RUN;
   
7. 
   
8. 
   
9. DATA A;
   
10. SET ZENG;
    
11. ARRAY A1(2005:2010) F2-F7;
    
12. ARRAY A2(2005:2010) F9-F14;
    
13. ARRAY A3(2005:2010) F16-F21;
    
14. ARRAY A4(2005:2010) F23-F28;
    
15. ARRAY A5(2005:2010) F30-F35;
    
16. ARRAY A6(2005:2010) F37-F42;
    
17. ARRAY A7(2005:2010) F44-F49;
    
18. ARRAY A8(2005:2010) F51-F56;
    
19. ARRAY A9(2005:2010) F58-F63;
    
20. do time = 2005 to 2010;
    
21. ROE = LOG(A1);
    
22. EL = LOG(A2);
    
23. SR = LOG(A3);
    
24. SA= LOG(A4);
    
25. ROC =LOG( A5);
    
26. EM = LOG(A6);
    
27. DTL= LOG(A7);
    
28. DA = LOG(A8);
    
29. PRS= LOG(A9);
    
30. output;
    
31. end;
    
32. DROP F2-F63;
    
33. run;
    
34. 
    
35. 
    
36. PROC SORT DATA=A;
    
37. BY TIME;
    
38. RUN;
    
39. 
    
40. PROC REG DATA=A;
    
41. MODEL1:MODEL ROE=SR SA eL;
    
42. MODEL2:MODEL ROC=EM SA EL;
    
43. MODEL3:MODEL DTL=DA PRS EL;
    
44. BY TIME;
    
45. RUN;
    
46. QUIT;
    
47. 
    
48. PROC REG DATA=A;
    
49. MODEL1:MODEL ROE=SR SA eL;
    
50. MODEL2:MODEL ROC=EM SA EL;
    
51. MODEL3:MODEL DTL=DA PRS EL;
    
52. RUN;
    
53. QUIT;

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